	b	.start
	b	.und_handler
	b	.
	b	.
	b	.
	b	.
	b	.irq_handler
	b	.
.und_handler:
	bl	und_handler
	movs	pc, lr
.irq_handler:
	bl	irq_handler
	subs	pc, lr, #4
.start:
	mov	sp, #0x10000
	cps	#27		@ und
	mov	sp, #0xfc00
	cps	#18		@ irq
	mov	sp, #0xf800
	cps	#19
	bl	main
	b	.
